/* Copyright 2023 The TensorFlow Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/

#ifndef TENSORFLOW_COMPILER_XLA_SERVICE_SPARSE_UTIL_H_
#define TENSORFLOW_COMPILER_XLA_SERVICE_SPARSE_UTIL_H_

namespace xla {
// Forward declarations.
class HloInstruction;

// Namespaced collection of (static) Sparse utilities.
class SparseUtil {
 public:
  // Returns true if the instruction takes sparse operands or return sparse
  // result.
  static bool HasSparseInOut(HloInstruction* instruction);

 private:
  SparseUtil(const SparseUtil&) = delete;
  SparseUtil& operator=(const SparseUtil&) = delete;
};
}  // namespace xla

#endif  // TENSORFLOW_COMPILER_XLA_SERVICE_SPARSE_UTIL_H_
